<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #div {
            width: 100px;
            height: 100px;
            border: 1px solid red;
        }
    </style>
</head>
<body>
    <div id="div"></div>
    <script>
        div.oncontextmenu = function() {
            console.log('right');
            // 阻止默认事件，在div内部右键时，不现实菜单。出了div就正常显示
            event.preventDefault();
        }
    </script>
</body>
</html>